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/**
* Tests it isn't possible to update an orphan document's shard key. Only multi=true updates skip
* shard versioning. They are therefore the only case which skips ownership filtering.
*
* @tags: [
* requires_fcv_52
* ]
*/
(function() {
"use strict";
load("jstests/libs/fail_point_util.js");
const st = new ShardingTest({mongos: 1, shards: 2, rs: {nodes: 1}});
const dbName = "test";
const collName = "update_orphan_shard_key";
const collection = st.s.getDB(dbName).getCollection(collName);
// Create a sharded collection with two chunks on shard0, split at the key {x: -1}.
assert.commandWorked(st.s.adminCommand({enableSharding: dbName}));
assert.commandWorked(st.s.adminCommand({movePrimary: dbName, to: st.shard0.shardName}));
assert.commandWorked(st.s.adminCommand({shardCollection: collection.getFullName(), key: {x: 1}}));
assert.commandWorked(st.s.adminCommand({split: collection.getFullName(), middle: {x: -1}}));
// Insert some documents into the collection, but only into the higher of the two chunks.
assert.commandWorked(collection.insert(Array.from({length: 100}, (_, i) => ({_id: i, x: i}))));
// Enable the failpoint to cause range deletion to hang indefinitely.
const suspendRangeDeletionFailpoint = configureFailPoint(st.shard0, "suspendRangeDeletion");
// Note: Use _waitForDelete=false to ensure the command completes since the test intentionally
// causes range deletion to hang.
assert.commandWorked(st.s.adminCommand({
moveChunk: collection.getFullName(),
find: {x: 1},
to: st.shard1.shardName,
_waitForDelete: false,
}));
let res = assert.commandWorked(collection.update({x: 0}, {$set: {y: 1}}));
assert.eq(1, res.nMatched, res);
assert.eq(1, res.nModified, res);
// Do a multi=true update that will target both shards but not update any documents on the shard
// which owns the range [-1, MaxKey].
res = assert.commandWorked(
collection.update({x: {$lte: 0}, y: {$exists: false}}, {$set: {x: -10, y: 2}}, {multi: true}));
assert.eq(0, res.nMatched, res);
assert.eq(0, res.nModified, res);
assert.eq(0, res.nUpserted, res);
// Wait for range deletion to happen on the donor.
suspendRangeDeletionFailpoint.off();
assert.soon(() => {
return st.shard0.getCollection(collection.getFullName()).findOne({x: 1}) === null;
});
// Run a $out aggregation as a simple way to check for duplicate _id values.
assert.doesNotThrow(() => collection.aggregate([{$out: "output"}]));
st.stop();
})();
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